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Monitoring resting heart rate to assess fatigue levels and physiological adaptation to training is not a new concept. When taken first thing in the morning after waking, heart rate values can be compared to baseline. Increases in resting heart rate from baseline generally reflect an i

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The National Association of Speed & Explosion Inc. (The NASE Inc.) is the world’s leading authority on speed improvement, focusing entirely on the improvement of speed in short sprints to enhance performance in baseball, basketball, field hockey, football, lacrosse, rugby, soccer, softball, tennis, and track.